CN2400328Y - Emergency parking braking device for vehicle - Google Patents
Emergency parking braking device for vehicle Download PDFInfo
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- CN2400328Y CN2400328Y CN 99255634 CN99255634U CN2400328Y CN 2400328 Y CN2400328 Y CN 2400328Y CN 99255634 CN99255634 CN 99255634 CN 99255634 U CN99255634 U CN 99255634U CN 2400328 Y CN2400328 Y CN 2400328Y
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Abstract
The utility model relates to an emergency parking braking device for a vehicle, which is connected between an active part and a braking part of a braking device. The emergency parking braking device for the vehicle comprises a normal close electromagnetic valve group which is connected to an outlet of a pressure source, a pressure converting element is connected between the outlet and an inlet of the braking part in series, and the outlet of the normal close electromagnetic valve group is also connected with a control port of a stopping valve in series which is arranged between the outlet of the active part and inlet of the braking part. Both ends of the stopping valve are connected with a one-way valve in parallel, and the outlet of the normal close electromagnetic valve group is also connected with a normal open magnetic valve. In addition, the utility model also comprises a running circuit breaker and a throttle switch. The device can automatically start after the vehicle is parking, and the vehicle can be parking. When the vehicle is started and drove again, the utility model can automatically release braking, and the vehicle can come back to a running condition.
Description
The utility model relates to the safety convenience instrument on a kind of vehicle (containing walking type construction machinery), the interim parking device of particularly a kind of vehicle.
Existing vehicle (containing walking type construction machinery) braking model commonly used has four kinds:
1, hydraulic braking: this kind braking is a kind of hydraulic pressure form of directly starting building to do, and referring to Fig. 1, wherein 1 is A end, and 2 is brake portion; When trampling brake pedal 53, the fluid in the brake cylinder 54 forms pressure and is delivered to each brake wheel cylinder 21 by the road, and wheel cylinder 21 is subjected to work behind the oil liquid pressure, starts the brake equipment of wheel, forms brake action.This braking model is usually used in dillies such as car, pick up, officer's car.
2, fluid control, air pressure is carried out braking: this kind braking is a kind of liquid, gas composite brakig form, the principle of work of its principle of work and above-mentioned hydraulic braking is similar, and when trampling brake pedal, the fluid in the brake cylinder forms pressure and is delivered to a control oil cylinder by the road, the control oil cylinder is subjected to work behind the oil liquid pressure, open an air valve, air valve passes to each brake wheel cylinder with the pressure gas in the automobile air reservoir again, and wheel cylinder is subjected to work behind the air pressure, start the brake equipment of wheel, form brake action.This braking model is usually used in truck, the motorcoach etc., HD truck and construction machinery and equipment.
3, mechanical control, air pressure is carried out braking: referring to Fig. 3, wherein 1 is A end, and 2 is brake portion; This kind braking is with brake pedal 53 drivening rod mechanisms, and one control air valve 533 is opened, with automobile storage tank 3, and " interior pressure gas passes to each brake wheel cylinder 21, and wheel cylinder 21 is subjected to work behind the air pressure, starts the brake equipment of wheel, forms brake action.This braking model is usually used in truck, the motorcoach etc., HD truck and construction machinery and equipment.
Above-mentioned three kinds of braking models are mainly used in the vehicle braked in travelling are slowed down, the operating mode of taking to tramp with one's feet more and stepping on, i.e. our foot brake of saying.
4, hand braking: hand braking is at the foot brake independent brake equipment of another cover in addition, is mainly used in the Parking control formation grappling effect of stopped vehicle, prevents that vehicle is slippery, and hand braking using and remove all needs manual operation.
Because the road of running car is not an abswolute level, all there is the gradient in various degree in any one, when automobile stops on road, for preventing that vehicle is slippery, need to use the hand braking grappling vehicle that comes, and the situation of blocking up for vehicle, hand braking use is more frequent, so, not only can make driver fatigue, fidgety, handle error but also can cause, damage vehicle and cause traffic accident, for the vehicle that is anchored on the ramp temporarily, when starting is sailed (being commonly called as the slope rises) again, operant level to chaufeur requires higher, hand braking use has mistake slightly, and just possible initiation potential is for the safe handling of vehicle is made troubles.
The purpose of this utility model provides the interim parking device of a kind of vehicle, after vehicle is parked, this device can start automatically, and stopped vehicle is carried out the Parking grappling, when starting is sailed again, this device can automatically terminate brake action again, return to motoring condition from exercising vehicle, alleviate the working strength of chaufeur greatly, and the correctness of the operating sequence that guarantees to drive, preceding slide, the back that can prevent vehicle slip, and the accident that prevents takes place; And the conventional brake of vehicle is not produced secondary face ring, only after the wheel of vehicle stall, work, can not influence normal driving, do not influence vehicle yet and slip row, backward and tow normally.
To achieve these goals, the utility model provides a kind of vehicle interim parking device, the interim parking device of this vehicle is connected between the A end and brake portion of existing Vehicular brake device, the interim parking device of this vehicle has following structure: the normally closed solenoid valve group that is connected in the pressure source exit end, be in series with a pressure conversion element between the arrival end of the exit end of this normally closed solenoid valve group and described brake portion, the exit end of this normally closed solenoid valve group also links to each other with a control mouth that is series at the check valve between A end exit end and the brake portion arrival end; The check valve two ends are parallel with a check valve; The exit end of normally closed solenoid valve group also connects a normally open solenoid valve; The interim parking device of this vehicle also comprises the driving cutout relay of the control normally closed solenoid valve group break-make that is connected with the traveling mechanism of vehicle, and the Oil Switch of controlling the interim parking device connecting and disconnecting of the circuit of this vehicle.
The utility model also can further comprise following technical characterictic: the pressure conversion element can be the conversion oil cylinder.
The pressure conversion element can be sequence valve.
The driving cutout relay comprises centrifugal cutout relay and sticking oily cutout relay.
Centrifugal cutout relay comprises: the rotating shaft that is connected in the traveling mechanism of vehicle, this rotating shaft is with bearings, centrifugal bar and two and rotating shaft non-conductive conducting ring are housed in this rotating shaft, centrifugal of can slide respectively is equipped with in the both sides of rotating shaft on the described centrifugal bar on this centrifugal bar, two centrifugal extension springs of drawing close to the rotating shaft center line of pulling are housed between described two centrifugal, respectively be connected with on two centrifugal one with this centrifugal non-conductive electric touch pad, continuous between two electric touch pads with conducting strip; Respectively be connected with an electric touch pad on two conducting rings, two electric touch pads on two centrifugal cooperate with two electric touch pads on the conducting ring respectively, and two carbon brushes that are arranged in the chute on the casing compress on two conducting rings by spring force respectively.
Sticking oily cutout relay comprises: a sticking oily cutout relay casing and the transmission shaft that is driven by vehicle ' mechanism, this transmission shaft be with bearings, and this transmission shaft passes the driving wheel that a flower wheel and is provided with blade and is connected; Described flower wheel links to each other with an electric touch pad, and the electric touch pad that this electric touch pad and is connected in the carbon brush of described centrifugal cutout relay matches; Flower wheel is provided with retracing spring.
Centrifugal cutout relay can drive sticking oily cutout relay by the gear transmission group.
Centrifugal cutout relay also can be installed in positions different in the vehicle ' mechanism respectively with sticking oily cutout relay.
Oil Switch connects control circuit by Das Gaspedal, and an end is connected in Vehicle Power, and the other end is connected in the driving cutout relay, and Oil Switch is in and opens circuit when depressing Das Gaspedal, and Oil Switch is in path during full pine tar door pedal.
Be connected a reducing valve between pressure source and the described normally closed solenoid valve group; Described normally closed solenoid valve group is two normally closed solenoid valve series connection; Normally closed solenoid valve group and normally open solenoid valve are hydraulic pressure or air pressure electromagnetic valve; Described check valve is hydraulic control or gas control check valve, and this check valve has regulating handle.
The interim parking device of vehicle of the present utility model is connected between the Vehicular brake device, adopt the break-make of driving cutout relay control circuit, after vehicle was parked, Oil Switch and driving cutout relay were connected the circuit of this device, thereby this device is started automatically, stopped vehicle is carried out the Parking grappling; When starting was sailed again, Oil Switch disconnected the circuit of this device, thereby makes this device automatically terminate brake action, exercises vehicle certainly and returns to motoring condition; Therefore, no matter be Parking or starting, the interim parking device of vehicle of the present utility model does not need manually painstakingly to handle, that is: need not strain or loosen hand braking or trample brake pedal for a long time, but move voluntarily, like this according to the motion conditions of vehicle, can alleviate the working strength of chaufeur greatly, and the correctness of the operating sequence that guarantees to drive, can prevent that the preceding slide of vehicle, back from slipping, thereby prevent the generation of accident.And this device does not produce secondary face to the conventional brake of vehicle and rings, and only after the wheel stall, works, and can not influence normal driving, does not influence vehicle yet and slips row, backward and tow normally.
Below in conjunction with drawings and Examples the utility model is elaborated:
Fig. 1 is a kind of structure principle chart of existing Vehicular brake device;
Fig. 2 is the structure principle chart of a kind of embodiment of the interim parking device of vehicle of the present utility model;
The structure principle chart of another kind of existing Vehicular brake device during Fig. 3;
Fig. 4 is the structure principle chart of the another kind of embodiment of the interim parking device of vehicle of the present utility model;
Fig. 5 is the structure principle chart of the driving cutout relay in the interim parking device of vehicle of the present utility model;
Fig. 6 is the structure principle chart of the control circuit of the interim parking device of vehicle of the present utility model.
Referring to Fig. 2, Fig. 4, the interim parking device of a kind of vehicle, the interim parking device of this vehicle is connected between the A end 1 and brake portion 2 of existing Vehicular brake device, the interim parking device of this vehicle has following structure: the normally closed solenoid valve group 4 that is connected in pressure source 3 exit end, be in series with a pressure conversion element 5 between the arrival end of the exit end of described normally closed solenoid valve group 4 and described brake portion 2, the exit end of this normally closed solenoid valve group 4 also links to each other with a control mouth 61 that is series at the check valve 6 between described A end 1 exit end and described brake portion 2 arrival ends; Described check valve 6 two ends are parallel with a check valve 88; The interim parking device of described vehicle also comprises the driving cutout relay that also comprises described normally closed solenoid valve group 4 break-makes of the control that is connected with the traveling mechanism of vehicle, and the Oil Switch of controlling the interim parking device connecting and disconnecting of the circuit of this vehicle.
For adopting hydraulic braking or fluid control, air pressure to carry out the vehicle of braking, pressure conversion element 5 can be conversion oil cylinder 5 ', as shown in Figure 2.
And for adopting mechanical control, air pressure to carry out the vehicle of braking, pressure conversion element 5 can be a sequence valve 5 ", as shown in Figure 4.
Referring to Fig. 5, driving cutout relay 8 comprises centrifugal cutout relay 81 and sticking oily cutout relay 82.
In the present embodiment, centrifugal cutout relay 81 comprises: the rotating shaft 812 that is connected in the traveling mechanism of vehicle, this rotating shaft 812 is with bearing 813,814 support, centrifugal bar 816 and two and rotating shaft 812 non-conductive conducting rings 817 are housed in this rotating shaft 812,818, centrifugal 8161 of can slide respectively is equipped with in the both sides of rotating shaft 812 on the described centrifugal bar 816 on this centrifugal bar 816,8162, described two centrifugal 8161, two centrifugal 8161 of pullings are housed between 8162,8162 extension springs of drawing close to rotating shaft 812 center lines 819, two centrifugal 8161, respectively be connected with on 8,162 one with this centrifugal non-conductive electric touch pad 8163, link to each other with conducting strip 810 between 8164, two electric touch pads; Be connected with an electric touch pad 8165,8166 on described two conducting rings 817,818 respectively, two electric touch pads 8163,8164 on described two centrifugal 8161,8162 cooperate with two electric touch pads 8165,8166 on the described conducting ring 817,818 respectively, and two carbon brushes 8171,8181 that are arranged in the chute on the casing 811 compress on described two conducting rings 817,818 by spring force respectively.
Sticking oily cutout relay comprises: a sticking oily cutout relay casing 820 and the transmission shaft 8261 that drives by vehicle ' mechanism, and this transmission shaft 8261 supports with bearing 827,828, and this transmission shaft 8261 passes the driving wheel 829 that a flower wheel 831 and is provided with blade 830 and is connected; Described flower wheel 831 links to each other with an electric touch pad 8211, and the electric touch pad 8210 that this electric touch pad 8211 and one is connected in described carbon brush 8181 matches; Described flower wheel 831 is provided with retracing spring 833; Be marked with sticking oil in the described sticking oily cutout relay casing 820.
Referring to Fig. 6, Oil Switch connects control circuits by Das Gaspedal 19, and an end is connected in Vehicle Power, and the other end is connected in driving cutout relay 8, and Oil Switch is in and opens circuit when depressing Das Gaspedal 19, and Oil Switch is in path during full pine tar door pedal 19.
Referring to Fig. 2, Fig. 4, be connected a reducing valve 34 between pressure source 3 and the described normally closed solenoid valve group 4; Described normally closed solenoid valve group 4 is 41,42 series connection of two normally closed solenoid valves.
Normally closed solenoid valve 41,42 and normally open solenoid valve 7 are hydraulic pressure or air pressure electromagnetic valve, as Fig. 2 and shown in Figure 4; Described check valve 6 is hydraulic control or gas control check valve, and as Fig. 2 and shown in Figure 4, this check valve 6 has regulating handle 62.
Principle of work of the present utility model is as follows:
One, for adopting hydraulic braking or fluid control, air pressure is carried out the vehicle of braking, (existing brake equipment as shown in Figure 1), the utility model all adopts the hydrostatic drive form, pressure source 3 be oil pump 3 ', pressure conversion element 5 for conversion oil cylinder 5 ', as shown in Figure 2, clutch release slave cylinder 21 work form braking, its brake off that resets.
The hydraulic principle of the interim parking device of vehicle of the present utility model is as follows: as shown in Figure 2, pressure source 3 be oil pump 3 ', fluid in oil pump 3 ' suction fuel tank, arrive reducing valve 34 by the road, post-decompression fluid arrives normally closed solenoid valve 41, after normally closed solenoid valve 41 energisings are opened, fluid arrives normally closed solenoid valve 42 through normally closed electromagnetic valve 41, after normally closed solenoid valve 42 energisings are opened, fluid arrives pipeline 43 and normally open solenoid valve 7 respectively through normally closed electromagnetic valve 42, close after normally open solenoid valve 7 energisings, fluid in the pipeline 44 flows to pipeline 43, pipeline 43 links to each other with the control mouth 61 of hydraulic control check valve 6, and with the conversion oil cylinder 5 ' right chamber 51 link to each other, and the operation pressure of setting check valve 6 less than conversion oil cylinder 5 ' operation pressure, so the fluid of pipeline 43 earlier makes check valve 6 close that (check valve 6 is often opened through control mouthfuls 61, close when promptly control mouth 61 is subjected to oil pressure, open during no oil pressure), then the fluid of pipeline 43 enter again the conversion oil cylinder 5 ' right chamber 51, promotion cylinder inner carrier overcomes spring force and moves to left, compressing conversion oil cylinder 5 ' left chamber fluid 52 arrive clutch release slave cylinders 21 by the road, clutch release slave cylinder 21 work form braking.
At this moment, if depress foot brake pedal 53 once more, fluid in the brake cylinder 54 by the road 55, check valve 88 arrives clutch release slave cylinders, still can form brake action again, realizes conventional brake, if this moment is loosen the brake 53, fluid in the clutch release slave cylinder 21 also can not got back in the oil tank 56, but keeps higher brake-pressure constant, when depressing Das Gaspedal 19 and plan to drive a vehicle, fluid in the clutch release slave cylinder 21 just can be got back in the oil tank 56, and braking is removed.
Vehicle is under steam during braking deceleration, this moment, this device was not worked, check valve 6 is in open position, depress brake pedal 53, oil cylinder 54 arrives the fluid compressing in clutch release slave cylinder 21 through check valve 6, thereby forms braking, loosen the brake 53, fluid in the clutch release slave cylinder 21 is got back in the oil cylinder 54 through check valve 6 and pipeline again, and braking is removed, and is the process of conventional brake.
The driving cutout relay is an electric component of the present utility model, link to each other with the traveling mechanism of vehicle, its principle of work is as follows: during wheel, and 8 work of driving cutout relay, circuit is disconnected, after the wheel stall, the driving cutout relay quits work, and circuit is connected, driving cutout relay 8 comprises centrifugal cutout relay 81 and sticking 82 two parts of oily cutout relay, can aggregate erection, drive the transmission shaft of sticking oily cutout relay by the rotating shaft of centrifugal cutout relay, as shown in Figure 5; Also can install the office, but must be to be connected with traveling mechanism.Figure 5 shows that compound type driving breaker structure.
As shown in Figure 5, when rotating shaft 812 was rotated, centrifugal bar 816, conducting ring 817,818 rotated with rotating shaft 812, and conducting ring 817 backs and conducting ring 818 UNICOMs are passed in electric touch pad 8166 insulation.When wheel, rotating shaft 812 is rotated, driving centrifugal bar 816 rotates synchronously, after reaching certain rotating speed, centrifugal 8161,8162 suffered centnifugal forces overcome the restriction of spring 819, slide to periphery, cause electric touch pad 8163 to separate with electric touch pad 8165, electric touch pad 8164 separates with electric touch pad 8166, when rotating shaft 812 rotating speeds lower or static when not changeing, centrifugal 8161,8162 are subjected to the pulling force of spring 819 close to rotating shaft 812, cause electric touch pad 8163 and electric touch pad 8165 closed contacts, electric touch pad 8164 and electric touch pad 8166 closed contacts, in this structure, with carbon brush 8171 power connection input ends (key switch 191), carbon brush 8181 power connection mouths, so, circuit when its electric current is connected is: carbon brush 8171-conducting ring 817-electric touch pad 8165-electric touch pad 8163-conducting strip 810-electric touch pad 8164-electric touch pad 8166-conducting ring 818-carbon brush 8181, form electric current from the conducting of carbon brush 8171 to carbon brush 8181, the effect of this device is: during driving, circuit disconnects between carbon brush 8171 and the carbon brush 8181, during Parking, and circuit turn-on between carbon brush 8171 and the carbon brush 8181.
Sticking oily cutout relay is the part of driving cutout relay, can with centrifugal cutout relay 81 aggregate erections, also can link to each other with vehicle ' mechanism separately, existing is example with the compound type cutout relay of driving a vehicle, and it is described:
As shown in Figure 5, the rotating shaft 812 of centrifugal cutout relay drives the transmission shaft 8261 of sticking oily cutout relay by gear transmission group 815, the power torque of rotating shaft 812 is passed to transmission shaft 8261, transmission shaft 8261 passes flower wheel 831, connect with driving wheel 829, and with bearing 827 and bearing 828 supports, be marked with sticking oil in the casing 820, (not shown sticking oily storage among Fig. 5), work as wheel, when being transmission shaft 8261 rotations, driving wheel 829 and blade 830 rotate, drive sticking oil rotates thereupon, the sticking oil that rotates applies torque to flower wheel 831, causing flower wheel 831 to drive push rods 832 overcomes the application force of spring 833 and deflects, finally make electric touch pad 8211 separate disconnection (being open position among Fig. 5) with electric touch pad 8210, when the wheel stall, transmission shaft 8261 stalls, driving wheel 829 no longer stirs sticking oil, sticking oil also no longer applies active torque to flower wheel 831, flower wheel 831 and push rod 832 be reversed turning under the effect of spring 833 just, reset into the home position, it is closed that electric touch pad 8211 is contacted with electric touch pad 8210, in the driving cutout relay, the carbon brush 8181 of centrifugal cutout relay connects with lead with the electric touch pad 8210 that glues oily cutout relay, promptly when the wheel stall, the electric current of carbon brush 8171 can pass to electric touch pad 8211, thereby powers to system.
Oil Switch is a kind of circuit switch, connect control circuit by Das Gaspedal 19 (or claiming acceleration pedal), a termination Vehicle Power, the carbon brush 8171 of another termination driving cutout relay, depress Das Gaspedal 19, Oil Switch is in and opens circuit, and carbon brush 8171 is not charged, full pine tar door pedal 19, be that Das Gaspedal 19 is when being in physical slot or claiming idle position, Oil Switch is in path, and the electric power of Vehicle Power is transported to the carbon brush 8171 of driving cutout relay by Oil Switch.
As shown in Figure 6,191 is key switch, carbon brush 8171, and carbon brush 8181, electric touch pad 8211,192 are the existing brake lamp of automobile, and 193 is the unilateral conduction device, and (avoid when using existing hand braking, foot brake, the circuit mistake is to electromagnetic valve 42 power supplies.)
The hydrostatic drive form principle of work of this device:
Vehicle in motion, Das Gaspedal 19 is depressed, Oil Switch 194 is in open position, this device does not have electric power supply, system does not work.
Full pine tar door pedal 19 (to physical slot), Oil Switch 194 closures, normally closed solenoid valve 41 energisings are opened, normally open solenoid valve 7 energisings are closed, and this moment, the driving cutout relay then was in off-position if vehicle is still travelling, normally closed solenoid valve 42 does not have electric current to pass through, in the closed position, clutch release slave cylinder 21 is not still worked, and vehicle travels as usual.
Behind the complete stagnation of movement of vehicle, the driving cutout relay begins energising, and normally closed solenoid valve 42 energisings are opened, and fluid just under the effect of oil pump 3, enters pipeline 43 and finally makes clutch release slave cylinder 21 work through normally closed electromagnetic valve 41,42, and vehicle is formed braking.
At this moment, strengthen brake action if desired, depress foot brake pedal 53 once more, the fluid in the oil cylinder 54 just by the road 55, check valve 88 arrives clutch release slave cylinders 21 makes it have bigger application force.Even loosen the brake 53, because the effect of check valve 88, the oil pressure in the clutch release slave cylinder 21 also can not reduce, and the braking force that has promptly strengthened will remain unchanged.
When vehicle need travel again, depress Das Gaspedal 19, Oil Switch 194 disconnects, normally closed solenoid valve 41,42 outages are closed, normally open solenoid valve 7 outage is opened, the 5 ' oil return of conversion oil cylinder, by the road 43, normally open solenoid valve 7 arrives fuel tanks (check valve 6 also reset unlatching) after pilot piping 61 decompressions, clutch release slave cylinder 21 resets, and braking is removed.
If need to use braking deceleration in the vehicle ', its operation is identical with routine operation, because vehicle is under motoring condition, check valve 6 is the open position, and promptly pipeline 55,551,552,553 is a path, depress brake pedal 53, braking fluid just can directly arrive clutch release slave cylinder 21, forms brake action, under this state, this device is not worked, and does not influence braking effect.
Two, for adopting mechanical control, air pressure is carried out the vehicle of braking, existing brake equipment as shown in Figure 3, this device employing be the pneumatic transmission form, as shown in Figure 4, " vehicle of hydraulic braking form " is basic identical among circuit and valve member function and Fig. 2.
Existing mechanical control, air pressure is carried out braking model as shown in Figure 3: pressure source 3 is a storage tank 3 "; depress foot brake pedal 53; by valve handle 534 actions of connecting rod 532 pulling air valves 533; air valve is opened; pressure gas is by storage tank 3 " to lead to pipeline 535 and (do not have check valve 88 and check valve 6 in this structure, pipeline 55,553 is straight-through), gas in the pipeline 55 (being pipeline 553) acts on clutch release slave cylinder 21 and forms braking, behind the loosen the brake 53, the gas in the clutch release slave cylinder 21 55 (553) is got back to air valve 533 by the road, side by side to atmosphere, clutch release slave cylinder 21 resets, and braking is removed.
Referring to Fig. 4, the principle of work of the interim parking device of vehicle of the present utility model is as follows:
When unclamping throttle, during the wheel stall, normally closed solenoid valve 41,42 open, normally open solenoid valve 7 cuts out, storage tank 3 " in pressure gas just through reducing valve 34; pipeline 536; normally closed solenoid valve 41; normally closed solenoid valve 42; arrive pipeline 43; pipeline 43 connects two pipelines, be the control mouth 61 and the sequence valve 5 of check valve 6 operating pressure of ", and the operating pressure of setting check valve 6 is less than pressure conversion element 5, promptly sequence valve 5 ", so, pressure gas in the pipeline 43 is closed check valve 6 through control mouthfuls 61 earlier, again with sequence valve 5 " opens pressure gas just by the road 52; 553 enter clutch release slave cylinder 21; clutch release slave cylinder 21 work form braking.
When travelling, depress Das Gaspedal, normally closed solenoid valve 41,42 is closed again, normally open solenoid valve 7 is opened, pressure gas in the control mouthfuls 61 is by the road 43, normally open solenoid valve 7, freeing pipe 77 rows be to atmosphere, at this moment, sequence valve 5 " close; check valve 6 is opened; the pressure gas in the clutch release slave cylinder 21 by the road 553,552, check valve 6, pipeline 551,55 get back to air valve 533, and by air valve 533 rows to atmosphere, clutch release slave cylinder 21 resets; braking is removed, wheel recovers motoring condition.
When wheel is in interim Parking state, trample brake pedal 53, still can realize conventional brake, its principle of work is: depress brake pedal 53, air valve 533 is opened, storage tank 3 " in pressure gas just by the road 535; air valve 533; arrive pipeline 55; because the air pressure in the pipeline 55 is higher than the air pressure in the pipeline 553; pressure gas in the pipeline 55 is open check valve 88 just, arrive pipeline 553 makes clutch release slave cylinder 21 work; form stronger braking force, this moment sequence valve 5 " close, will keep in the clutch release slave cylinder 21 from pipeline 55 than anticyclonic pressure, to strengthen braking effect; if this moment is loosen the brake 53; air pressure in the clutch release slave cylinder 21 can not change yet, still keep bigger braking force, until the pedal 19 of stepping on the throttle; when preparing to travel again; the gas in clutch release slave cylinder 21 and the pipeline just can be from air valve 533 rows to atmosphere, thus brake off, the answer driving states.
When vehicle needed to slow down under steam, when promptly using conventional brake, this installed each parts and is in position shown in Figure 4, be off-position, check valve 6 is opened, sequence valve 5 " close; at this moment, if depress brake pedal 53, air valve 533 is opened; pressure gas is just by storage tank 3 " by the road 535, air valve 533, pipeline 55, check valve 6, pipeline 552,553 arrive clutch release slave cylinders 21, clutch release slave cylinder 21 work form braking, and this moment, if wheel was in running, this device is not just worked, and does not promptly participate in braking.
When using the interim parking device of vehicle of the present utility model, as Fig. 2, shown in Figure 4, the delivery pressure of reducing valve 34 should be looked different vehicle and the difference of hand brake force is required and set, and should not make the braking force of this device excessive; Electromagnetic valve 41,42,7 should adopt hydraulic pressure (or air pressure) electromagnetic valve, and electromagnetic valve 41,42 is a normally closed, and electromagnetic valve 7 is open in usual, to reduce its consumption of current, improves sensitivity; Hydraulic control (or gas control) check valve 6 adopts open in usually, and regulating handle is arranged, in order to when this failure of apparatus or during the clamping stagnation of check valve 6 own, and the multiple or brake off of available handle adjusting; Oil pump 3 can provide power by vehicle motor, also can independently provide power by electrical motor; The driving cutout relay should adopt split-type structural, and promptly centrifugal cutout relay is installed in positions different in the vehicle ' mechanism respectively with sticking oily cutout relay, when guaranteeing the inefficacy of a certain driving cutout relay, and the work of still remaining valid of another cutout relay of driving a vehicle.
In sum, the interim parking device of vehicle of the present utility model can start after vehicle is parked automatically, and stopped vehicle is carried out the Parking grappling, when starting is sailed again, this device can automatically terminate brake action again, exercises vehicle certainly and returns to motoring condition, thereby alleviate the working strength of chaufeur greatly; And the conventional brake to vehicle does not produce secondary face sound, only works after the wheel of vehicle stall, can not influence normal driving.
Claims (10)
1, the interim parking device of a kind of vehicle, it is characterized in that: the interim parking device of this vehicle is connected between the A end and brake portion of Vehicular brake device, the interim parking device of this vehicle has following structure: the normally closed solenoid valve group that is connected in the pressure source exit end, be in series with a pressure conversion element between the arrival end of the exit end of described normally closed solenoid valve group and described brake portion, the exit end of this normally closed solenoid valve group also links to each other with a control mouth that is series at the check valve between described A end exit end and the described brake portion arrival end; Described check valve two ends are parallel with a check valve; The exit end of described normally closed solenoid valve group also connects a normally open solenoid valve; The interim parking device of described vehicle also comprises the driving cutout relay of the described normally closed solenoid valve group of the control that is connected with the traveling mechanism of vehicle break-make, and the Oil Switch of controlling the interim parking device connecting and disconnecting of the circuit of this vehicle.
2, the interim parking device of vehicle according to claim 1 is characterized in that: described pressure conversion element is the conversion oil cylinder.
3, the interim parking device of vehicle according to claim 1 is characterized in that: described pressure conversion element is a sequence valve.
4, the interim parking device of vehicle according to claim 1 is characterized in that: described driving cutout relay comprises centrifugal cutout relay and sticking oily cutout relay.
5, the interim parking device of vehicle according to claim 4, it is characterized in that: described centrifugal cutout relay comprises: the rotating shaft that is connected in the traveling mechanism of vehicle, this rotating shaft is with bearings, centrifugal bar and two and described rotating shaft non-conductive conducting ring are housed in this rotating shaft, centrifugal of can slide respectively is equipped with in the both sides of rotating shaft on the described centrifugal bar on this centrifugal bar, two centrifugal extension springs of drawing close to described rotating shaft center line of pulling are housed between described two centrifugal, respectively be connected with on described two centrifugal one with this centrifugal non-conductive electric touch pad, continuous between two electric touch pads with conducting strip; Respectively be connected with an electric touch pad on described two conducting rings, two electric touch pads on described two centrifugal cooperate with two electric touch pads on the described conducting ring respectively, and two carbon brushes that are arranged in the chute on the casing compress on described two conducting rings by spring force respectively.
6, the interim parking device of vehicle according to claim 5, it is characterized in that: described sticking oily cutout relay comprises: a sticking oily cutout relay casing and the transmission shaft that is driven by vehicle ' mechanism, this transmission shaft is with bearings, and this transmission shaft passes the driving wheel that a flower wheel and is provided with blade and is connected; Described flower wheel links to each other with an electric touch pad, and the electric touch pad that this electric touch pad and is connected in the carbon brush of described centrifugal cutout relay matches; Described flower wheel is provided with retracing spring.
7, according to the interim parking device of any one described vehicle in the claim 4 to 6, it is characterized in that: described centrifugal cutout relay drives described sticking oily cutout relay by the gear transmission group.
8, according to the interim parking device of any one described vehicle in the claim 4 to 6, it is characterized in that: described centrifugal cutout relay is installed in positions different in the vehicle ' mechanism respectively with sticking oily cutout relay.
9, the interim parking device of vehicle according to claim 1, it is characterized in that: described Oil Switch connects control circuit by Das Gaspedal, one end is connected in Vehicle Power, the other end is connected in the driving cutout relay, Oil Switch is in and opens circuit when depressing Das Gaspedal, and Oil Switch is in path during full pine tar door pedal.
10, the interim parking device of vehicle according to claim 1 is characterized in that: be connected a reducing valve between described pressure source and the described normally closed solenoid valve group; Described normally closed solenoid valve group is two normally closed solenoid valve series connection; Described normally closed solenoid valve group and normally open solenoid valve are hydraulic pressure or air pressure electromagnetic valve; Described check valve is hydraulic control or gas control check valve, and this check valve has regulating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99255634 CN2400328Y (en) | 1999-12-09 | 1999-12-09 | Emergency parking braking device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99255634 CN2400328Y (en) | 1999-12-09 | 1999-12-09 | Emergency parking braking device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2400328Y true CN2400328Y (en) | 2000-10-11 |
Family
ID=34038961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99255634 Expired - Fee Related CN2400328Y (en) | 1999-12-09 | 1999-12-09 | Emergency parking braking device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2400328Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408397C (en) * | 2002-07-29 | 2008-08-06 | 郑普文 | Automatic control system for parking brake of automobile |
| CN104627155A (en) * | 2015-02-06 | 2015-05-20 | 江西凯马百路佳客车有限公司 | Car with hill starting control function and method for achieving hill starting |
| CN108248384A (en) * | 2018-01-28 | 2018-07-06 | 袁菊花 | The accelerator control device of vehicle |
| CN109109839A (en) * | 2016-07-29 | 2019-01-01 | 吴彬 | Slow down the stopping brake control system of the vehicle of brake mill damage |
-
1999
- 1999-12-09 CN CN 99255634 patent/CN2400328Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408397C (en) * | 2002-07-29 | 2008-08-06 | 郑普文 | Automatic control system for parking brake of automobile |
| CN104627155A (en) * | 2015-02-06 | 2015-05-20 | 江西凯马百路佳客车有限公司 | Car with hill starting control function and method for achieving hill starting |
| CN109109839A (en) * | 2016-07-29 | 2019-01-01 | 吴彬 | Slow down the stopping brake control system of the vehicle of brake mill damage |
| CN109109839B (en) * | 2016-07-29 | 2020-10-30 | 南京朗禾智能控制研究院有限公司 | Parking brake control system of vehicle for reducing abrasion of brake disc |
| CN108248384A (en) * | 2018-01-28 | 2018-07-06 | 袁菊花 | The accelerator control device of vehicle |
| CN108248384B (en) * | 2018-01-28 | 2020-10-30 | 嘉兴市大众丝绸印花有限责任公司 | Throttle control device for vehicle |
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Owner name: MINZHENG BUREAU GROUP, BEIJING CITY, XINGFUDA STRE Free format text: FORMER NAME OR ADDRESS: 100023 ARMED POLICE DETACHMENT 13, SHIBALIDIAN, CHAOYANG DISTRICT, BEIJING |
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Patentee address after: 100060 Happiness street, Chongwen District, Beijing Municipal Bureau of Civil Affairs organization, Beijing Patentee address before: 100023 Beijing Chaoyang District City, thirteen armed police detachment |
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